Thermal fiber sleeping bag structure

ABSTRACT

A thermal fiber sleeping bag structure comprises a sleeping bag body and a thermal fiber mat which is laid on the sleeping bag body. The thermal fiber mat is woven by scalable, flexible yarns which can be heated when energized with power, and which includes non-conductive main axis threads and a conductive fine metal filament spirally wound around the outside of the main axis threads. According to this structure of laying the thermal fiber mat on the sleeping bag body, a thermal fiber sleeping bag capable of generating heat upon energizing with electric power can be obtained for indoor or outdoor heating in winter season.

CROSS REFERENCE TO RELATED APPLICATION

This application claims the benefits from U.S. Provisional Application No. 62/230,917, filed on 17 Jun. 2015, the subject matter of which is incorporated herein by reference.

BACKGROUND OF INVENTION

Field of the Invention

The present invention relates to a thermal fiber sleeping bag structure, more particularly to a thermal fiber sleeping bag structure capable of generating heat after energizing with electric power.

Brief Description of Prior Art

In order to provide warm and comfortable rest environment in cold weather regions, usually some equipments enabling heating are additionally installed in buildings. Heaters, geothermal water pipes or geothermal heat furnace line are more common equipments for heating. However, either heater or geothermal water pipe, geothermal heat furnace line is very expensive in installation due to its complex structures. What is more, it does not meet the energy-saving and EP concept in view of large power consumption. Taking geothermal water pipe or geothermal heat furnace line installation as an example, original ground surface such as tiles or marbles should be dug up firstly in construction, and then the construction operation of laying geothermal water pipe or geothermal heat furnace line can be started. Next, extra-large water heater, hot water pressure pump and large power supply should also be installed on outdoor side. If the geothermal water pipe or the geothermal heat furnace line is out of order, the ground surface should be dug up again and then maintenance can be conducted. Therefore, either installation or maintenance is relatively inconvenient and requires higher cost.

SUMMARY OF THE INVENTION

The main object of the present invention is to provide a thermal fiber sleeping bag structure in which a thermal fiber mat capable of generating heat upon energizing with electric power is laid within a sleeping bag body, whereby the thermal fiber sleeping bag can be used for indoor and outdoor heating in winter season.

The above object and its effect of the present invention is achieved by the following specific technique means.

A thermal fiber sleeping bag structure comprises a sleeping bag body and a thermal fiber mat laid on the sleeping bag body. The thermal fiber mat is woven by scalable, flexible yarns which can be heated when energized with power, and which includes non-conductive main axis threads and a conductive fine metal filament spirally wound around the outside of the main axis threads. The thermal fiber mat can be electrically connected with a power supply unit which can supply electric power to energize the fine metal filament of the thermal fiber mat to generate heat.

According to the above thermal fiber sleeping bag structure, the sleeping bag body includes a top cover and a bottom cover, one side of the top cover and the corresponding side of the bottom cover is combined by a zip fastener; the thermal fiber mat is laid horizontally on the inside surface(s) of the top cover or the bottom cover, or both.

According to the above thermal fiber sleeping bag structure, the sleeping bag body is provided with an air charge pipeline through which air can be introduced into the internal interlayers of the top cover and the bottom cover of the sleeping bag body.

According to the above thermal fiber sleeping bag structure, the sleeping bag body is provided with a discharge valve for exhausting the air within the internal interlayers of the top cover and the bottom cover of the sleeping bag body.

According to the above thermal fiber sleeping bag structure, the thermal fiber mat is combined with internal interlayers of the top cover or the bottom cover of the sleeping bag body by Velcro strap.

According to the above thermal fiber sleeping bag structure, the thermal fiber mat formed by weaving above conductive yarn is provided with a number of metal conductive wires through both side edges of the thermal fiber mat as warp conductive wires and with nonconductive textile yarn through middle part of the thermal fiber mat in warp direction, and with abovementioned conductive yarns in weft direction of the thermal fiber mat. By means weaving technique of interweaving the weft and the warp yarns and through the connection between the fine metal filaments spirally wound around the weft conductive yarns and the warp metal conductive wires along both side edges of the thermal fiber mat, a thermal fiber mat having good conductive circuit formed thereon is made.

According to the above thermal fiber sleeping bag structure, the diameter of the above metal conductive wire is 0.05-0.12 m/m.

According to the above thermal fiber sleeping bag structure, the diameter of above fine metal filament is 0.02-0.12 m/m.

According to the above thermal fiber sleeping bag structure, per centimeter of the main axis thread has 70-125 turns of above fine metal filament spirally wound on the surface.

According to the above thermal fiber sleeping bag structure, the thermal fiber mat is electrically energized by a power supply unit with DC 0-24V.

According to the above thermal fiber sleeping bag structure, the fine metal filament is made by one selected from gold, silver, copper, and tungsten-molybdenum alloy.

The advantages of the present invention will be listed as below.

-   -   1. The sleeping bag of the present invention have very good         warming effect when used in cold environment by the thermal         fiber mat, which is capable of generating heat, provided in the         internal interlayer of the sleeping bag body.     -   2. After energizing of the thermal fiber mat, heat can be spread         over to all corners of the sleeping bag according to set         temperature. Therefore, the sleeping bag of the present         invention becomes the best equipment for keeping warmth during         sleeping of user in indoor and outdoor.     -   3. The sleeping bag of the present invention can generate heat         by energizing, and heat can be spread over to all corners of the         sleeping bag without using fan to blow the heat to everywhere in         the sleeping bag. Therefore, there is no noise and dryness         problem.     -   4. The structure and use of the sleeping bag of the present         invention are very simple. There is no need of complicated         assembly, construction processes and huge power consumption as         in the cases of heater, geothermal water pipeline, or geothermal         heat furnace which does not meet energy-saving and EP benefits.     -   5. The present invention can control the input voltage to the         thermal fiber mat at DC6V, 12V, 24V, 48V by external power         supply unit, and the thermal fiber mat can produce required         temperature according to different setting of input voltage so         that user can select any temperature provided by the sleeping         bag.     -   6. In the present invention, low DC voltage and small current is         provided as power supply for the thermal fiber mat, hence harm         of electromagnetic wave is small and electrical shock is also         impossible.     -   7. The sleeping bag body of the present invention has an opening         provided on the top cover and the bottom cover, and the thermal         fiber mat is detachably combined in the internal interlayers of         the top cover and (or) the bottom cover, making it possible to         remove the thermal fiber mat in case of storage or cleaning of         the sleeping bag.

BRIEF DESCRIPTION OF ACCOMPANYING DRAWING

FIG. 1 is a perspective schematic view of the thermal fiber sleeping bag structure of the present invention;

FIG. 2 is a partial enlarged perspective schematic view of the thermal fiber sleeping bag structure of the present invention;

FIG. 3 is a perspective schematic view of the thermal fiber sleeping bag structure of the present invention during opening of the top cover;

FIG. 4 is a perspective schematic view of the thermal fiber mat and the power supply of the thermal fiber sleeping bag structure of present invention;

FIG. 5 is a schematic view of the machine equipment for weaving the thermal fiber mat of the present invention;

FIG. 6 is a schematic view of an ordinary textile yarn with its surface spirally wound by fine metal filament;

FIG. 7 is a schematic view illustrating the warp and weft yarn interweaving structure of the thermal fiber mat of the present invention.

DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS

The objects, the technical contents and the expected effect of the present invention will become more apparent from the detailed description of a preferred embodiment in conjunction with the accompanying drawings.

Referring to FIGS. 1 to 4, the thermal fiber sleeping bag structure of present invention comprises a sleeping bag body (1) and a thermal fiber mat (2).

The sleeping bag body (1) includes a top cover (11) and a bottom cover (12), one side of the top cover (11) and the corresponding side of the bottom cover (12) are combined by a zip fastener (13), making the sleeping bag body (1) to become an encapsulated structure with only an opening left over the upper side. The sleeping bag body (1) is further provided with an air charge pipeline (14) through which air can be introduced into the internal interlayers of the top cover (11) and the bottom cover (12) of the sleeping bag body (1). The sleeping bag body (1) is also provided with a discharge valve (15) for exhausting the air within the internal interlayers of the top cover (11) and the bottom cover (12) of the sleeping bag body (1), whereby the storage of the thermal fiber sleeping bag becomes very easy.

The thermal fiber mat (2) is laid horizontally on the inside surface(s) of the top cover (11) or the bottom cover (12), or both. In the embodiment shown in FIGS. 1 to 4, the thermal fiber mat (2) is combined with the surface of the bottom cover (12) by a Velcro strap (not shown).

Referring to FIG. 6, the thermal fiber mat (2) is formed by weaving non-conductive main axis threads (21) and conductive fine metal filaments (22) through weaving technique. The fine metal filament (22) is spirally wound around the outside of the main axis threads (21) so as to form textile-use conductive yarn (A) which is scalable and flexible, and which can be heated when energized with electric power. The diameter of above fine metal filament (22) is 0.02-0.12 m/m, and per centimeter of the main axis threads (21) has 70˜125 turns of above fine metal filament (22) spirally wound on the surface thereof Furthermore, the fine metal filament (22) is made by anyone selected from gold, silver, copper, and tungsten-molybdenum alloy.

Referring to FIG. 7, the thermal fiber mat (2) of the present invention is provided with a number of metal conductive wires having diameter of 0.05-0.12 m/m through both side edges as warp conductive wires (23) and with longitudinal nonconductive textile yarn (24) through middle part between the warp conductive wires (23) of both side edges, and with abovementioned conductive yarns (A) as weft yarns. By means of weaving technique of interweaving the warp conductive wires (23), the nonconductive textile yarn (24) and the weft conductive yarns (A), the thermal fiber mat (2) of the present invention can be obtained. Moreover, the fine metal filaments (22) spirally wound around the weft conductive yarns (A) and the warp metal conductive wires (23) on both side edges are connected together, and then the warp metal conductive wires (23) on both side edges are connect respectively to a socket (25) where a plug (32) of a power cord (31) of an external power supply unit (3) can be inserted for energizing.

The voltage supplied to the thermal fiber mat (2) from the power supply unit (3) is DC 6-48V (such as 6V, 12V, 24V, 48V).

Referring to FIG. 5, equipment for making conductive yarn (A) mainly comprises a base frame (4) on which an axle seat (40) is provided. An axle post (41) having a through hole (411) provided through the central axis is correspondingly inserted in the axle seat (40). A base block (42) is fitted on the axle post (41) and a turning wheel (421) is provided below the base block (42). A bobbin (43) having the fine metal filament (22) wound thereon is inserted over the base block (42), and a limit block (49) for limiting the bobbin (43) is fitted on the axle post (41). A first power source (44) is mounted on the base frame (4) for driving a driving wheel (441) which meshes with the turning wheel (421) to turn. A spindle seat (45) for winding main axis threads (21) is provided below the base frame (4). The main axis threads (21) can penetrate through the central through hole (411) of the axle post (41) and is spirally wound on the outside thereof by the fine metal filament (22) to form the conductive yarn (A). Furthermore, a second power source (46) is provided over the base frame (4) for driving a coiling drum (47) which is employed to wind the conductive yarns (A).

When the equipment is implemented to make conductive yarn (A), the non-conductive main axis threads (21) are firstly wound around the spindle seat (45), next the main axis threads (21) are guided through a plurality of guiding wheels (48) to penetrate through the central through hole (411) of the axle post (41) and then the main axis threads (21) are wound around the coiling drum (47). Next, the bobbin (43) with the fine metal filament (22) wound thereon is inserted into the base block (42), and positioning projections (422) are provided on the base block (42) for positioning and fixing the bobbin (43). A limit block (49) for limiting the coiling drum (47) is fitted on the axle post (41). At the beginning, the fine metal filament (22) is wound on the main axis threads (21). When a controller (5) is used to manipulate the first and the second power sources (44), (46) and to rotate the coiling drum (47) and to control to set the rotation speed (0-4800 rpm), the axle post (41) is driven by the first power source (44) so as to turn the bobbin (43), simultaneously the coiling drum (47) is driven by the second power source (46) to pull the main axis threads (21) to move so that the fine metal filament (22) is wound on the outside of the main axis threads (21) in parabolic spiral shape accompanying with the high speed running of the equipment. Thus, on upper shift of per centimeter of the non-conductive main axis threads (21), 70-125 turns of the fine metal filament (22) is wound on the surface so as to form conductive yarn (A) capable of generating heat upon energizing. Finally, the finished conductive yarn (A) is wound on the coiling drum (47).

When the thermal fiber sleeping bag is in use, air has to be firstly charged into the interior of the top cover (11) and the interior of the bottom cover (12) of the sleeping bag body (1) through the air charge pipeline (14). Next, DC power source supplied by the power supply unit (3) is adjusted according to the temperature required by the user. After the power supply unit (3) begins to supply power, the fine metal filament (22) wound on the conductive yarn (A) is heated by the energizing through the connection with the warp conductive wires (23), and heat is uniformly spread to everywhere in the thermal fiber sleeping bag. Hence, user of the sleeping bag can enjoy the warming effect of the sleeping bag. When not using the thermal fiber sleeping bag, user has to open the discharge valve (15) so as to exhaust the air in the top cover (11) and the bottom cover (12) of the sleeping bag body (1). Then, the plug (32) of the power supply unit (3) is pulled away from the socket (25), and the thermal fiber sleeping bag can be folded and stored.

In case the sleeping bag body (1) of the thermal fiber sleeping bag has to be cleaned, the zip fastener (13) located between the top cover (11) and the bottom cover (12) is directly opened and the thermal fiber mat (2) is removed, then cleaning operation of the sleeping bag body (1) can be proceeded. 

What is claimed is:
 1. A thermal fiber sleeping bag structure, comprising a sleeping bag body and a thermal fiber mat laid on the sleeping bag body, the thermal fiber mat being formed by weaving scalable, flexible conductive yarns which can be heated upon energizing with electric power, and which include non-conductive main axis threads and conductive fine metal filaments spirally wound around the outside of the main axis threads; the thermal fiber mat being electrically connected with a power supply unit which supplies electric power to energize the fine metal filaments of the thermal fiber mat to generate heat.
 2. The thermal fiber sleeping bag structure as claimed in claim 1, wherein the sleeping bag body includes a top cover and a bottom cover, one side of the top cover and the corresponding side of the bottom cover being combined by a zip fastener; the thermal fiber mat being laid horizontally on the inside surface(s) of the top cover or the bottom cover, or both.
 3. The thermal fiber sleeping bag structure as claimed in claim 2, wherein the sleeping bag body is provided with an air charge pipeline through which air can be introduced into the internal interlayers of the top cover and the bottom cover of the sleeping bag body.
 4. The thermal fiber sleeping bag structure as claimed in claim 2, wherein the sleeping bag body is provided with a discharge valve for exhausting the air within the internal interlayers of the top cover and the bottom cover of the sleeping bag body.
 5. The thermal fiber sleeping bag structure as claimed in claim 4, wherein the thermal fiber mat is combined with the internal interlayers of the top cover and the bottom cover of the sleeping bag body by Velcro straps.
 6. The thermal fiber sleeping bag structure as claimed in claim 3, wherein the sleeping bag body is provided with a discharge valve for exhausting the air within the internal interlayers of the top cover and the bottom cover of the sleeping bag body.
 7. The thermal fiber sleeping bag structure as claimed in claim 6, wherein the thermal fiber mat is combined with the internal interlayers of the top cover and the bottom cover of the sleeping bag body by Velcro straps.
 8. The thermal fiber sleeping bag structure as claimed in claim 1, wherein the thermal fiber mat formed by weaving the conductive yarn is provided with a number of metal conductive wires through both side edges of the thermal fiber mat as warp conductive wires and with nonconductive textile yarn through middle part of the thermal fiber mat in warp direction, and with the conductive yarns in weft direction of the thermal fiber mat; by means of weaving technique of interweaving the weft and the warp yarns and through the connection between the fine metal filaments spirally wound around the weft conductive yarns and the warp metal conductive wires along both side edges, the thermal fiber mat having good conductive circuit formed thereon is made.
 9. The thermal fiber sleeping bag structure as claimed in claim 8, wherein the diameter of the metal conductive wire is 0.05-0.12 m/m.
 10. The thermal fiber sleeping bag structure as claimed in claim 9, wherein the diameter of the fine metal filament is 0.02-0.12 m/m.
 11. The thermal fiber sleeping bag structure as claimed in claim 8, wherein the diameter of the fine metal filament is 0.02-0.12 m/m.
 12. The thermal fiber sleeping bag structure as claimed in claim 1, wherein each centimeter of the main axis thread has 70-125 turns of the fine metal filament spirally wound on the surface thereof
 13. The thermal fiber sleeping bag structure as claimed in claim 1, wherein the fine metal filament is made by one selected from gold, silver, copper, and tungsten-molybdenum alloy. 